客户满意度毫无价值，客户忠诚度才是无价的。
独裁统治滋生糟糕的文学，因为它们滋生恐惧和顺从。
数学证明的优雅在于它的简洁和清晰。
Success comes from understanding the needs of your customers better than anyone else.
It is hard to imagine a more stupid or more dangerous way of making decisions than by putting those decisions in the hands of people who pay no price for being wrong.
Every decision we make today impacts the next generation.